— We were all missing you at the party!
— Sorry. I was busy with my project research. Otherwise, I ___________ it.
| A．attended | B．would attend |
| C．had attended | D．would have attended |
If human beings had been a bit less greedy and cruel, more birds and animals dying out.
| A．ought to avoid | B．could have been avoided |
| C．should have avoided | D．might have avoided |
During the ten-day vacation, they traveled to France their own expense
| A．on | B．with | C．at | D．in |
Helen is much more kind to her youngest child than to the others,___________ of course, make the others unhappy.
| A．who | B．which | C．she | D．that |
I told you that you shouldn't waste your time playing the computer games,_____________?
| A．didn't I | B．did I | C．should you | D．shouldn't you |
Towards ___________ morning, _________ heavy snow began to fall.
| A．the... a | B．an... a |
| C．a...不填 | D．不填...the |